Part Number:BQ76930
TI专家你们好,我想知道这两个驱动信号的先后关系,是先开DSG-U还是DSG-B,因为Q27的源极悬空,如果先开DSG-U的话,没办法导通,那么先开DSG-B的话,Q28源极也悬空啊,漏极被拉到地,所以我想指导下两个驱动信号的开启时序,以及Q27 Q28 Q32是怎样导通的,谢谢
Star Xu:
您好,请参考下面文档的2.1 FETs Control Synthesizing Circuit
https://www.ti.com.cn/cn/lit/ug/tiduc43a/tiduc43a.pdf?ts=1626865489116&ref_url=https%253A%252F%252Fwww.ti.com.cn%252Ftool%252Fcn%252FTIDA-01093%253FkeyMatch%253D%2526tisearch%253Dsearch-everything%2526usecase%253Drefdesign